31389912

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{11783}}^1$

素因数の和:11832

約数の個数: 48

約数和(自身を含む): 87319440

約数和(自身を除く): 55929528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 111, 148, 222, 296, 333, 444, 666, 888, 1332, 2664, 11783, 23566, 35349, 47132, 70698, 94264, 106047, 141396, 212094, 282792, 424188, 435971, 848376, 871942, 1307913, 1743884, 2615826, 3487768, 3923739, 5231652, 7847478, 10463304, 15694956, 31389912]

約数ペア:

[(1, 31389912), (2, 15694956), (3, 10463304), (4, 7847478), (6, 5231652), (8, 3923739), (9, 3487768), (12, 2615826), (18, 1743884), (24, 1307913), (36, 871942), (37, 848376), (72, 435971), (74, 424188), (111, 282792), (148, 212094), (222, 141396), (296, 106047), (333, 94264), (444, 70698), (666, 47132), (888, 35349), (1332, 23566), (2664, 11783)]